Sea urchin (Pourtalesia hispida)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Pseudostichopus villosus)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Abyssocucumis abyssorum)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Benthodytes sordida)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Elpidia willemoesi)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea star (Chitonaster cataphractus)

26/02/1874; 26 February 1874

Natural History Museum, London

Brittle star (Ophioplinthus grisea)

26/02/1874; 26 February 1874

Museum of Comparative Zoology, Harvard University

Brittle star (Ophioplinthus medusa)

26/02/1874; 26 February 1874

Museum of Comparative Zoology, Harvard University

Sea cucumber (Scotoplanes insignis)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Pseudostichopus villosus)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea urchin (Pourtalesia hispida)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea urchin (Echinosigra phiale)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea cucumber (Psychropotes longicauda)

26/02/1874; 26 February 1874

Natural History Museum, London

Sea star (Lonchotaster forcipifera)

26/02/1874; 26 February 1874

Natural History Museum, London

Brittle star (Ophiocten pallidum)

26/02/1874; 26 February 1874

Museum of Comparative Zoology, Harvard University

Brittle star (Amphioplus (Unioplus) patulus)

26/02/1874; 26 February 1874

Museum of Comparative Zoology, Harvard University